THE FIGWORT FAMILY. 223 



XXXVII. THE FIGWORT FAMILY. 

 SCKOPHULAKIACE^. 



MATERIAL REQUIRED. 



Butter-and-eggs, Linaria vulgaris, Mill., in flower. 

 Common species of any of the genera named below. 



BUTTER-AND-EGGS. Linaria vulgaris, Mill. 

 Distribution. 



In what situations have you seen the plant growing? 

 Have you made any observations as to its natural range ? 

 Is there anything in its habits that affords evidence as to 

 whether it is indigenous or introduced ? 



General Characters. 



I. This species is perennial. How is the fact ascer- 

 tained ? 



II. Describe the underground portion of the plant. 

 The stem and leaves. 



III. Is there anything about it that secures protection 

 from grazing animals ? 



Inflorescence. 



Character and kind of inflorescence. Notice the posi- 

 tion of the individual flowers. Do they all face outward ? 

 Do the position of the flowers and the order of their 

 development present any advantages ? 



